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日本开通卫星数字电视日本NHK等8家电视台开始使用卫星数字技术播放电视信号，共计10个频道，另有10家电台也同时开播23个频道的数字广播节目。目前，日本市场上已经有数字高清晰度电视机出售，每台售价30万日元。电视观众如果想使用现有的电视机接收高清晰度数字电视信号，则
Japan Opens Up Satellite Digital TV Japan’s NHK, eight television stations started to use satellite digital technology to broadcast television signals for a total of 10 channels. Another 10 stations also broadcast digital broadcasts of 23 channels at the same time. Currently, digital HDTVs are already on the market in Japan for about 300,000 yen. TV viewers want to use their existing TV sets to receive high-definition digital television signals